30. – I wonder how much you charge for your services.

-- The first two are free_______the third costs $30.

A. while　　　　　 B. until　　　　 C. when　　 D. before

29.A small plane crashed into a hillside five miles east of the city, _____all four people on board.　

A. killed　　　　　 B. killing　　　　　 C. kills　　　　 D. to kill　

28. The play _________next month aims mainly to reflect the local culture.

A. produced　　　　　　　 B. being produced

C. to be produced　　　　 D. having been produced

27. The Great Wall is ____ tourist attraction that millions of people pour in every year.

A. so a well-known　　　　　　　 B. a so well-known

C. such well-known　　　　　　　 D. such a well-known

26. Would you please ______ the paper for me and see if there are any obvious mistakes?

A. look around　 B. look into　　　　 C. look up　　　　　 D. look through

24. Daniel's family____________their holiday in Huangshan this time next week.

A. are enjoying　　　　　　　　　　　　　 B. are to enjoy

C. will enjoy　　　　　　　　　　　　　　 D. will be enjoying

25 But for their help，we _________the program in time.

A. can not finish　　　　　　 B. will not finish

C. had not finished　　　　　 D. could not have finished

23. Gun control is a subject _________Americans have argued for a long time.

A. of which　　　 B. with which　　 C. about which　　　 D. into which

22.Nine in ten parents said there were significant differences in their approach to educating their children compared with _______ of their parents.

A. those　　　　　　　 B. one　　　　　　 C. both　　　　　　 D. that

第一节：单项填空 (共15小题; 每小题1分, 满分15分)

21.Some people fear that ________ air pollution may bring about changes in _______ weather around the world. .

A. /; the　　　 B. the; /　　　 C. an; the　　　　 D. the; a